Open source software community has in itself been a remarkable industry well capable of producing some of the best tools in the Software testing as well as software development world. Let us have a quick look into some of the quality births that Software industry has witnessed from the OPen source community.

Amarok is a powerful music player for Linux and Unix, MacOS X and Windows with an intuitive interface. It makes playing the music you love and discovering new music easier than ever before - and it looks good doing it!

Some of the goals of the project are to make Amarok more customizable through widgets, and improving the playlist editor. Project ideas are welcome.
Drupal

Drupal is a free software package that allows an individual or a community of users to easily publish, manage and organize a wide variety of content on a website.

There are several ideas for projects including improving the general UI of the Drupal management interface, assisting in building a platform for usability communication in the Drupal community.
Gallery

Gallery is an open source project with the goal to develop and support leading photo sharing web application solutions. It gives you an intuitive way to blend photo management seamlessly into your own website whether you’re running a small personal site or a large community site.

This project is interested in learning more about their users. Project activities would include user research activities such as surveys, interviews, creating user groups and personas, and competitive analysis.

GeneMANIA is a tool for generating hypotheses about gene function. GeneMANIA helps you predict the function of your favorite genes and gene sets. The simple, intuitive web interface is backed by powerful analysis software and a large data warehouse containing extensive amounts of existing functional genomics data, and also includes a Cytoscape-based advanced visualization tool to enable browsing of query results and creation of publication-ready figures.

This project is interested in improving the UI design of it’s desktop tool, which contains additional functionality that is not included in the webbased tool.
GNOME User Management Tool

Ubuntu is a community developed operating system that is perfect for laptops, desktops and servers. Whether you use it at home, at school or at work Ubuntu contains all the applications you’ll ever need, from word processing and email applications, to web server software and programming tools.

This project is interested in redesigning in evaluating and redesigning the existing user management tool in the GNOME desktop environment.

Kadu is an open source gadu-gadu protocol instant messenger client for Linux, BSD and Mac.

They are interested in making Kadu a multi-protocol instant messenger. This would involve refining existing user research documentation such as personas and scenarios based on a previous survey, and redesigning the configuration UI to support managing multiple protocols.
KOrganizer

This project is interested in improving the editing tools for adding appointments, TODO entries, and journal items.

OLM is a web-based marking system that includes an early submission and testing system in support of test driven development.

This project is interested in fixing known issues and integrating new functionality into the user interface.
SemNotes

SemNotes is a semantic note taking tool for KDE4, built on top of Nepomuk-KDE. SemNotes links notes to the data that is available on the user’s desktop. The data stored about a note consists of: a title, content, tags, creation and last modification time.

This project is interested in improving their user interface and running a usability evaluation with the new changes on a range of users.
Ubuntu Add/Remove… Software

Ubuntu is a community developed operating system that is perfect for laptops, desktops and servers. Whether you use it at home, at school or at work Ubuntu contains all the applications you’ll ever need, from word processing and email applications, to web server software and programming tools.

This project is interested in evaluating the Add/Remove… software tool with several small usability evaluations which will provide design recommendations for UI changes.